Justin Langer is reportedly in line to be fast-tracked as new Australian cricket coach but may get first crack as interim coach for the fourth Test in Johannesburg on Friday.

Sutherland is due to meet the players and coaching staff in Johannesburg on Tuesday with a press conference expected tomorrow morning.

(AAP)

Lehmann has been head coach for five years and has won two Ashes series and a World Cup.

The Australian coach was caught by cameras relaying a message to Cameron Bancroft to let him know that he had been seen tampering with the ball.

His position as coach has come under question for not only the cheating scandal but also the culture of the team that has widely been criticised for the behaviour displayed during the test series in South Africa.

Langer has been quite vocal about his desire to coach Australia when Lehmann’s contract runs out next year.

(AAP)

Jason Gillespie, the current coach of the Adelaide Strikers and former teammate of Langer and Lehmann, said there are doubts over the coach's future.

“Smith insisted the head coach knew nothing of the scheme during the lunch break,” he said.

“We have not spoken since, but I would be amazed if this was not the case and that the moves he made when it unravelled on the field were not done on instinct to protect his players.”

Former England captain Nasser Hussain said the Australian leadership group has copped plenty of criticism, but he would like to hear an explanation from Lehmann.

"It doesn't look good on Lehmann either way, really. If he did know then he's in a whole heap of trouble and will not be able to hold his job down if he is condoning cheating and (the) scratching of a cricket ball," Hussain told Sky Sports.

"If he didn't know, then questions will be asked as to why senior players are going round not telling the coach exactly what is going on.

"In the dressing rooms I've played in, it is inconceivable that the coach wouldn't know something like this was being dreamt up."

The make-up of the "leadership group" has not been defined but Hussain would also like to hear from other senior players.

"The silence has been deafening actually, not just from Lehmann and (David) Saker, the bowling coach, but also from David Warner," he said.

"David Warner seems to have a lot to say on a cricket field; in the last 48 hours the silence from David Warner has been deafening."